using System;
using System.Text.RegularExpressions;
using System.IO;
public class Test
{
public static void Main()
{
string offer = "AK47HyperBeastFieldTested";
var item = "AK47HyperBeastFieldTested";
string pattern = @"\b(" + item + @")\b";
int count = Regex.Matches(offer, pattern).Count;
Console.WriteLine(count);
}
}
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